单词：radius of integration
(核武器与普通武器起作用之)综合半径
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Bouquinistes is the French word to call sellers of old books along the Seine River in Paris. The tradition has existed for over 400 years. However, modern technology like electronic book readers and sellers of books online are now hurting their profi
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STEVE INSKEEP, HOST: This morning we report on the death of a man who bounded across television screens filled with life. Anthony Bourdain has died. He took his own life, we're told, while in France recording an episode of his CNN program Parts Unkno
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Track One From a very young age I had a bit of a fascination with flying 我自儿时便有些迷上了飞行 Bit of a fascination with speed 着迷那样的高速（驾驶） As I went through school and into my A-Levels I wanted to pursue a flying
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英语PK台